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-rw-r--r--libdevcore/UTF8.cpp10
-rw-r--r--libdevcore/UTF8.h2
-rw-r--r--libsolidity/ast/Types.cpp2
3 files changed, 7 insertions, 7 deletions
diff --git a/libdevcore/UTF8.cpp b/libdevcore/UTF8.cpp
index 0c385e81..a71693a8 100644
--- a/libdevcore/UTF8.cpp
+++ b/libdevcore/UTF8.cpp
@@ -31,18 +31,18 @@ namespace utf8
{
-bool validate(std::string const& _input, int& _invalidPosition)
+bool validate(std::string const& _input, size_t& _invalidPosition)
{
- const int length = _input.length();
+ const size_t length = _input.length();
bool valid = true;
- int i = 0;
+ size_t i = 0;
for (; i < length; i++)
{
if ((unsigned char)_input[i] < 0x80)
continue;
- int count = 0;
+ size_t count = 0;
switch(_input[i] & 0xe0) {
case 0xc0: count = 1; break;
case 0xe0: count = 2; break;
@@ -62,7 +62,7 @@ bool validate(std::string const& _input, int& _invalidPosition)
break;
}
- for (int j = 0; j < count; j++)
+ for (size_t j = 0; j < count; j++)
{
i++;
if ((_input[i] & 0xc0) != 0x80)
diff --git a/libdevcore/UTF8.h b/libdevcore/UTF8.h
index 2824d5bf..d6959f3e 100644
--- a/libdevcore/UTF8.h
+++ b/libdevcore/UTF8.h
@@ -33,7 +33,7 @@ namespace utf8
/// Validate an input for UTF8 encoding
/// @returns true if it is invalid and the first invalid position in invalidPosition
-bool validate(std::string const& _input, int& _invalidPosition);
+bool validate(std::string const& _input, size_t& _invalidPosition);
}
diff --git a/libsolidity/ast/Types.cpp b/libsolidity/ast/Types.cpp
index d6f6225c..aae18934 100644
--- a/libsolidity/ast/Types.cpp
+++ b/libsolidity/ast/Types.cpp
@@ -855,7 +855,7 @@ bool StringLiteralType::operator==(const Type& _other) const
std::string StringLiteralType::toString(bool) const
{
- int invalidSequence;
+ size_t invalidSequence;
if (!dev::utf8::validate(m_value, invalidSequence))
return "literal_string (contains invalid UTF-8 sequence at position " + dev::toString(invalidSequence) + ")";